[PATCH net-next] ibmvnic: fix accelerated VLAN handling

[Michał Mirosław]

Signed-off-by: Michał Mirosław <mirq-li...@rere.qmqm.pl>
---
 drivers/net/ethernet/ibm/ibmvnic.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c 
b/drivers/net/ethernet/ibm/ibmvnic.c
index c12596676bbb..c7664db9019c 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -765,7 +765,7 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct 
net_device *netdev)
        tx_crq.v1.sge_len = cpu_to_be32(skb->len);
        tx_crq.v1.ioba = cpu_to_be64(data_dma_addr);
 
-       if (adapter->vlan_header_insertion) {
+       if (adapter->vlan_header_insertion && skb_vlan_tag_present(skb)) {
                tx_crq.v1.flags2 |= IBMVNIC_TX_VLAN_INSERT;
                tx_crq.v1.vlan_id = cpu_to_be16(skb->vlan_tci);
        }
@@ -964,7 +964,8 @@ static int ibmvnic_poll(struct napi_struct *napi, int 
budget)
                skb = rx_buff->skb;
                skb_copy_to_linear_data(skb, rx_buff->data + offset,
                                        length);
-               skb->vlan_tci = be16_to_cpu(next->rx_comp.vlan_tci);
+               if (flags & IBMVNIC_VLAN_STRIPPED)
+                       __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), 
be16_to_cpu(next->rx_comp.vlan_tci));
                /* free the entry */
                next->rx_comp.first = 0;
                remove_buff_from_pool(adapter, rx_buff);
-- 
2.11.0